Home / 25,885.98-38,821.45-10,087.49

Finding the Fourth Proportional to 25,885.98, 38,821.45 and 10,087.49

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Solution

The fourth proportional to 25,885.98, 38,821.45 and 10,087.49 is: 15,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.98 : 38,821.45 = 10,087.49 : x
  2. Step 2: Convert to fraction form
    25,885.98/38,821.45 = 10,087.49/x
  3. Step 3: Cross multiply
    25,885.98x = 38,821.45 × 10,087.49
  4. Step 4: Simplify right side
    25,885.98x = 391,610,889.41
  5. Step 5: Solve for x
    x = 391,610,889.41/25,885.98
  6. Step 6: Final answer
    x = 15,128.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.